(70 ILCS 1215/26)(from Ch. 24 1/2, par. 139)Sec. 26. No person who holds any public office, or who has been nominated
for, or who seeks a nomination or appointment to any public office, shall
corruptly use or promise to use, either directly or indirectly, any
official authority or influence in or to secure or aid any person in
securing for himself or for another, any office or public employment or any
nomination, confirmation, promotion or increase of salary as a reward for
political influence or service. No person appointed, or about to be
appointed, to the position of member of the Civil Service Board, or to a
position in the classified service, shall execute or sign a resignation in
advance, dated or undated, for the purpose or with the result of permitting
the appointing officer to create at his will a vacancy in the office of
member of the Civil Service Board or in a position in the classified
service.(Source: Laws 1939, p. 418.)